Progressive Era Early 20th Century

Please respond to the following question:
How did Progressivism transform conceptions of freedom, and the mission of government, in American society?

Please use ONLY the following 3 Sources:

Give Me Liberty!: An American History (Brief Fourth Edition, Vol. 2) – Eric Foner, Pages 681-724

Seventh Annual Message to Congress on Dec. 3, 1907 – http://www.pbs.org/weta/thewest/resources/archives/eight/trconserv.htm

Robert La Follette’s Progressive Reforms (1913) –
http://memory.loc.gov/ammem/ndlpedu/features/timeline/progress/cities/reforms.html